Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Revenues
Licenses, royalties and fees	$ 2,242,500	$ 670,600
Product and other sales	1,099,200	896,300
Total revenues	3,341,700	1,566,900
Cost of revenues
Licenses, royalties and fees	115,400	96,500
Product and other sales	445,800	346,600
Total cost of revenues	561,200	443,100
Gross profit	2,780,500	1,123,800
Operating expenses
Research and development	153,200	146,300
Sales and marketing	387,300	253,600
General and administrative	369,400	317,600
Total operating expenses	909,900	717,500
Net income from operations	1,870,600	406,300
Other income (expenses)
Interest income	2,900	500
Interest expense, bank charges, financing cost and accretion of interest	(12,300)	(25,600)
Total other income (expenses)	(9,400)	(25,100)
Net income before income taxes	1,861,200	381,200
Income taxes	205,800
Net income	$ 1,655,400	$ 381,200
Net income per common share
Basic	$ 0.03	$ 0.01
Diluted	$ 0.03	$ 0.01
Weighted average common shares outstanding
Basic	58,616,716	58,603,441
Diluted	58,980,420	58,895,173